Fix improper format specifier in printf

%d in format string requires 'int' but the argument type is 'unsigned int'.

Author: Nekto89

src/jsontestrunner/main.cpp

@@ -106,9 +106,9 @@ static void printValueTree(FILE* fout,
     for (Json::ArrayIndex index = 0; index < size; ++index) {
       static char buffer[16];
 #if defined(_MSC_VER) && defined(__STDC_SECURE_LIB__)
-      sprintf_s(buffer, sizeof(buffer), "[%d]", index);
+      sprintf_s(buffer, sizeof(buffer), "[%u]", index);
 #else
-      snprintf(buffer, sizeof(buffer), "[%d]", index);
+      snprintf(buffer, sizeof(buffer), "[%u]", index);
 #endif
       printValueTree(fout, value[index], path + buffer);
     }

src/test_lib_json/jsontest.cpp

@@ -165,7 +165,7 @@ void TestResult::printFailure(bool printTestName) const {
     const Failure& failure = *it;
     JSONCPP_STRING indent(failure.nestingLevel_ * 2, ' ');
     if (failure.file_) {
-      printf("%s%s(%d): ", indent.c_str(), failure.file_, failure.line_);
+      printf("%s%s(%u): ", indent.c_str(), failure.file_, failure.line_);
     }
     if (!failure.expr_.empty()) {
       printf("%s\n", failure.expr_.c_str());
@@ -281,7 +281,7 @@ bool Runner::runAllTest(bool printSummary) const {
 
   if (failures.empty()) {
     if (printSummary) {
-      printf("All %d tests passed\n", count);
+      printf("All %u tests passed\n", count);
     }
     return true;
   } else {
@@ -293,7 +293,7 @@ bool Runner::runAllTest(bool printSummary) const {
     if (printSummary) {
       unsigned int failedCount = static_cast<unsigned int>(failures.size());
       unsigned int passedCount = count - failedCount;
-      printf("%d/%d tests passed (%d failure(s))\n", passedCount, count,
+      printf("%u/%u tests passed (%u failure(s))\n", passedCount, count,
              failedCount);
     }
     return false;